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Finding the Fourth Proportional to 645,455.62, 968,314.64 and 224,764.30

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Solution

The fourth proportional to 645,455.62, 968,314.64 and 224,764.30 is: 337,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,455.62 : 968,314.64 = 224,764.30 : x
  2. Step 2: Convert to fraction form
    645,455.62/968,314.64 = 224,764.30/x
  3. Step 3: Cross multiply
    645,455.62x = 968,314.64 × 224,764.30
  4. Step 4: Simplify right side
    645,455.62x = 217,642,562,239.35
  5. Step 5: Solve for x
    x = 217,642,562,239.35/645,455.62
  6. Step 6: Final answer
    x = 337,192.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.